Initial checkin of gRPC to third_party/

third_party/grpc/src/core/surface/call.h

+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_INTERNAL_CORE_SURFACE_CALL_H
+#define GRPC_INTERNAL_CORE_SURFACE_CALL_H
+
+#include "src/core/channel/channel_stack.h"
+#include "src/core/channel/context.h"
+#include "src/core/surface/api_trace.h"
+#include "src/core/surface/surface_trace.h"
+#include <grpc/grpc.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*grpc_ioreq_completion_func)(grpc_exec_ctx *exec_ctx,
+                                           grpc_call *call, int success,
+                                           void *user_data);
+
+grpc_call *grpc_call_create(grpc_channel *channel, grpc_call *parent_call,
+                            uint32_t propagation_mask,
+                            grpc_completion_queue *cq,
+                            const void *server_transport_data,
+                            grpc_mdelem **add_initial_metadata,
+                            size_t add_initial_metadata_count,
+                            gpr_timespec send_deadline);
+
+void grpc_call_set_completion_queue(grpc_exec_ctx *exec_ctx, grpc_call *call,
+                                    grpc_completion_queue *cq);
+
+#ifdef GRPC_STREAM_REFCOUNT_DEBUG
+void grpc_call_internal_ref(grpc_call *call, const char *reason);
+void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call,
+                              const char *reason);
+#define GRPC_CALL_INTERNAL_REF(call, reason) \
+  grpc_call_internal_ref(call, reason)
+#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \
+  grpc_call_internal_unref(exec_ctx, call, reason)
+#else
+void grpc_call_internal_ref(grpc_call *call);
+void grpc_call_internal_unref(grpc_exec_ctx *exec_ctx, grpc_call *call);
+#define GRPC_CALL_INTERNAL_REF(call, reason) grpc_call_internal_ref(call)
+#define GRPC_CALL_INTERNAL_UNREF(exec_ctx, call, reason) \
+  grpc_call_internal_unref(exec_ctx, call)
+#endif
+
+grpc_call_stack *grpc_call_get_call_stack(grpc_call *call);
+
+grpc_call_error grpc_call_start_batch_and_execute(grpc_exec_ctx *exec_ctx,
+                                                  grpc_call *call,
+                                                  const grpc_op *ops,
+                                                  size_t nops,
+                                                  grpc_closure *closure);
+
+/* Given the top call_element, get the call object. */
+grpc_call *grpc_call_from_top_element(grpc_call_element *surface_element);
+
+void grpc_call_log_batch(char *file, int line, gpr_log_severity severity,
+                         grpc_call *call, const grpc_op *ops, size_t nops,
+                         void *tag);
+
+/* Set a context pointer.
+   No thread safety guarantees are made wrt this value. */
+void grpc_call_context_set(grpc_call *call, grpc_context_index elem,
+                           void *value, void (*destroy)(void *value));
+/* Get a context pointer. */
+void *grpc_call_context_get(grpc_call *call, grpc_context_index elem);
+
+#define GRPC_CALL_LOG_BATCH(sev, call, ops, nops, tag) \
+  if (grpc_api_trace) grpc_call_log_batch(sev, call, ops, nops, tag)
+
+uint8_t grpc_call_is_client(grpc_call *call);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_INTERNAL_CORE_SURFACE_CALL_H */